Boating Knowledge Base
Have a sailing question? Access NauticEd’s sailing and boating knowledge base, and gain in-depth answers to your sailing questions. If you’re interested in powerboating, visit our new powerboating blog.

Waves, Swells, and Depth
Since waves are primarily the result of surface wind action, they can be accurately predicted. Waves have troughs and crests.
October 15, 2023/by Grant Headifen
Luffing and Backwinding Sails
Luffing is when the sail is flapping in the wind. Back winding happens usually right before luffing occurs.
August 22, 2023/by Grant Headifen
Crew Overboard
Crew ("Man") Overboard (MOB) is fortunately relatively rare, but chances are that in your sailing career it will happen.
October 21, 2023/by Grant Headifen
How to Book a Sailing Charter
There are a few things you need to know about booking a charter.
April 4, 2024/by Grant Headifen
Names of Thingys in Sailing
There's a lot of terminology in sailing, and to get started with sail trim we recommend beginning with some key sailing "thingy" terms.
August 2, 2023/by Grant Headifen
Fairlead Control
The fairlead is the first control device that the jib sheet passes through on its way back to the cockpit. You can move the fair lead forward or backward.
August 30, 2023/by Grant Headifen
Non-Electronic Communications
Sailing has been around for thousands of years. Electronic Communications has been around for less than 100 years (not counting the telegraph).
October 24, 2023/by Grant Headifen
Why Anchor?
There are many reasons for anchoring your boat...
October 20, 2023/by Grant Headifen
Understanding the Safety Position in Sailing
Learn how the Safety Position — a controlled, depowered close reach — helps sailors pause safely without losing steerage. Ideal for MOB drills, instruction, and more.
July 12, 2025/by Grant Headifen
Heads on a Charter Boat
You don’t need trouble with the waste system, especially when on vacation.
April 4, 2024/by Grant Headifen
Leaving the Slip with a Sailboat
Wind coming into the slip channel and your boat is stern-to. This is best handled by steering out of the slip and then immediately downwind. Back out of the slip channel and well into the main channel before engaging forward.
April 1, 2024/by Grant HeadifenAction by a Stand-On Vessel Nav Rule
Strangely enough, the written text for the action of a Stand-On vessel is longer than that of a Give-Way vessel.
August 31, 2023/by Grant Headifen
Crew Safety Briefing
You can avoid many emergencies by conducting a proper safety briefing before leaving the dock.
October 24, 2023/by Grant Headifen
Docking Force Alignment and Moment Balance
When you are docking, if your boat pulls on a line attached to the dock, the line pulls back on your boat. If the forces are aligned, then nothing really happens.
June 9, 2024/by Grant Headifen
Electricity and Charging Your Devices on a Charter
It’s a given, we can’t live without electricity. At home, we have all the conveniences and all the chargers we need. But what about on a boat on a sailing vacation? What can I charge and what voltage is available?
April 4, 2024/by Grant HeadifenSailboat Diesel Engine Fluids
Diesel engines make use of a variety of fluids, including raw and coolant water, diesel fuel, and lubricating oil. A problem in the flow of any one of these fluids can cause problems...
October 22, 2023/by Grant HeadifenCrew Briefing Video
It is important to know how much experience your crew has before you embark on any sailing adventure. For our boat, we created a video walkaround introduction to the boat covering safety items and also just general items on how we want our boat looked after.
October 15, 2023/by Grant Headifen
Sailboat Wind Power Generators
Wind-power generators are typically installed only on ocean-crossing vessels, where the vessel is away from the marina for extended periods of time and where there is a need for conserving onboard fuel.
October 23, 2023/by Grant Headifen
The Autopilot on a Charter
The autopilot is a great tool for those long hauls and it’s probably better at holding a straight line than most of us.
April 10, 2024/by Grant Headifen
Mast Head and Fractional Rigging
There are two variations on the standing rigging set up: Masthead and Fractional. On masthead rigs, the attachment point for the sidestays (shrouds), forestay, and backstay (if they exist) is at the top of the mast.
October 15, 2023/by Grant Headifen
Winged Sail Vector Diagrams
Sail and Winged Sail Wind Force Vector Diagrams. And it's highly relevant right now because of the America's Cup AC45 catamarans using winged sails.
August 26, 2023/by Grant Headifen
Getting Familiar with the Charter Boat
Prior to releasing the boat to you, the charter company will give you a reasonably extensive walk through the boat.
April 2, 2024/by Grant Headifen
Head-on Nav Rules Situation
The Rule (a) Unless otherwise agreed when two power-driven vessels are meeting on reciprocal or nearly reciprocal...
August 26, 2023/by Grant HeadifenElectronic Navigation
We are well into the 21st century. Chances are that within 30 feet (10 meters) of you right now there are 2-3 GPS-enabled potentially lifesaving devices...
October 20, 2023/by Grant Headifen


